271220540 has 12 divisors (see below), whose sum is σ = 569563176. Its totient is φ = 108488208.

The previous prime is 271220539. The next prime is 271220549. The reversal of 271220540 is 45022172.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271220549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6780494 + ... + 6780533.

It is an arithmetic number, because the mean of its divisors is an integer number (47463598).

Almost surely, 2^271220540 is an apocalyptic number.

271220540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271220540 is an abundant number, since it is smaller than the sum of its proper divisors (298342636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271220540 is a wasteful number, since it uses less digits than its factorization.

271220540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561036 (or 13561034 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 271220540 is about 16468.7746963762. The cubic root of 271220540 is about 647.3028593400.

The spelling of 271220540 in words is "two hundred seventy-one million, two hundred twenty thousand, five hundred forty".